21220248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126311}}^1$

素因数の和:126327

約数の個数: 32

約数和(自身を含む): 60629760

約数和(自身を除く): 39409512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126311, 252622, 378933, 505244, 757866, 884177, 1010488, 1515732, 1768354, 2652531, 3031464, 3536708, 5305062, 7073416, 10610124, 21220248]

約数ペア:

[(1, 21220248), (2, 10610124), (3, 7073416), (4, 5305062), (6, 3536708), (7, 3031464), (8, 2652531), (12, 1768354), (14, 1515732), (21, 1010488), (24, 884177), (28, 757866), (42, 505244), (56, 378933), (84, 252622), (168, 126311)]